HuagongsheHuagongshe Chemistry Print Report · For research reference only
2,1,3-Benzothiadiazole, 4-chlorosulfonyl- → 2-(Benzo[1,2,5]thiadiazole-4-sulfonylamino)-4,5-dichloro-benzoic acid methyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2,1,3-Benzothiadiazole, 4-chlorosulfonyl- | HCID 2735459 | — |
| Reactant | Methyl 2-amino-4,5-dichlorobenzoate | HCID 11694243 | — |
| Catalyst | 4-(Dimethylamino)pyridine | HCID 14284 | — |
| Product | 2-(Benzo[1,2,5]thiadiazole-4-sulfonylamino)-4,5-dichloro-benzoic acid methyl ester | HCID 68770543 | 50% |
Reaction Steps
The title compound (0.95 g, 50%) was prepared from methyl 2-amino-4,5-dichlorobenzoate and 4-chlorosulfonyl-2,1,3-benzothiadiazole as in Example 1, Part A (without DMAP). 1H NMR (500 MHz, CDCl3): 11.21 (s, 1H), 8.39 (dd, J=7.1, 1.0, 1H), 8.25 (dd, J=8.8, 1.0, 1H), 7.94 (s, 1H), 7.91 (s, 1H), 7.74 (dd, J=8.8, 7.1, 1H), 3.93 (s, 3H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07855292B2 |
| Source dataset | uspto-grants-2010_12 |
| ORD ID | ord-d9fbe2007c7d42e192abe7170acdb79c |
| Source note | uspto-grants-2010_12 |